Code cleanup

src/App.xaml.cs

@@ -25,7 +25,7 @@ protected override void OnLaunched(LaunchActivatedEventArgs args)
             MainWindow.Activate();
         }
 
-        private void Application_UnhandledException(object sender, Microsoft.UI.Xaml.UnhandledExceptionEventArgs e)
+        private static void Application_UnhandledException(object sender, Microsoft.UI.Xaml.UnhandledExceptionEventArgs e)
         {
             if (MainWindow == null)
                 return;

src/Manager/PlaybackManager.cs

@@ -101,7 +101,7 @@ public static async Task InitializeAsync()
 
         private static void PlaybackSession_PlaybackStateChanged(MediaPlaybackSession sender, object args)
         {
-            PlaybackStateChanged?.Invoke(sender, sender.PlaybackState);
+            PlaybackStateChanged?.Invoke(null, sender.PlaybackState);
         }
 
         private static async void SystemMediaTransportControls_ButtonPressed(SystemMediaTransportControls sender, SystemMediaTransportControlsButtonPressedEventArgs args)

src/Manager/TrackManager.cs

@@ -41,7 +41,10 @@
                         var files = await folder.GetFilesAsync(CommonFileQuery.OrderByName);
                         _files.AddRange(files.Where(f => f.FileType.Equals(".ogg", StringComparison.OrdinalIgnoreCase)));
                     }
-                    catch { }
+                    catch
+                    {
+                        // skip packages that fail to load for any reason
+                    }
                 }
             }
             finally
@@ -128,19 +131,19 @@
         private readonly record struct KnownTrack(string CategoryId, string CategoryName, string Name, string Material, string Spectral);
 
         private static readonly KnownTrack[] _tracks = [
             new("Underworld", "Underworld", "Normal", "1 - 002 - Underworld.ogg", "1 - 013 - Underworld [Spectral].ogg"),
             new("Underworld", "Underworld", "Suspense", "1 - 003 - Underworld [Suspense].ogg", "1 - 014 - Underworld [Spectral - Suspense].ogg"),
             new("Underworld", "Underworld", "Abyss", "1 - 004 - Underworld [Abyss].ogg", "1 - 015 - Underworld [Spectral - Abyss].ogg"),
             new("Underworld", "Underworld", "Puzzle", "1 - 005 - Underworld [Puzzle].ogg", "1 - 016 - Underworld [Spectral - Puzzle].ogg"),
             new("Underworld", "Underworld", "Danger", "1 - 006 - Underworld [Danger].ogg", "1 - 017 - Underworld [Spectral - Danger].ogg"),
             new("Underworld", "Underworld", "Combat", "1 - 007 - Underworld [Combat].ogg", "1 - 018 - Underworld [Spectral - Combat].ogg"),
             new("Underworld", "Underworld", "Normal (Exterior)", "1 - 008 - Underworld (Exterior).ogg", "1 - 019 - Underworld (Exterior) [Spectral].ogg"),
             new("Underworld", "Underworld", "Danger (Exterior)", "1 - 009 - Underworld (Exterior) [Danger].ogg", "1 - 020 - Underworld (Exterior) [Spectral - Danger].ogg"),
             new("Underworld", "Underworld", "Combat (Exterior)", "1 - 010 - Underworld (Exterior) [Combat].ogg", "1 - 021 - Underworld (Exterior) [Spectral - Combat].ogg"),
             new("Underworld", "Underworld", "Kain Encounter (Anticipation)", "1 - 061 - Kain Encounter (Anticipation).ogg", "1 - 062 - Kain Encounter (Anticipation) [Spectral].ogg"),
             new("Underworld", "Underworld", "Kain Encounter", "1 - 063 - Kain Encounter.ogg", "1 - 064 - Kain Encounter [Spectral].ogg"),
 
             new("RazielsStronghold", "Raziel’s Stronghold", "Normal", "1 - 025 - Raziel's Stronghold.ogg", "1 - 032 - Raziel's Stronghold [Spectral].ogg"),
             new("RazielsStronghold", "Raziel’s Stronghold", "Suspense", "1 - 026 - Raziel's Stronghold [Suspense].ogg", "1 - 033 - Raziel's Stronghold [Spectral - Suspense].ogg"),
             new("RazielsStronghold", "Raziel’s Stronghold", "Danger", "1 - 027 - Raziel's Stronghold [Danger].ogg", "1 - 034 - Raziel's Stronghold [Spectral - Danger].ogg"),
             new("RazielsStronghold", "Raziel’s Stronghold", "Combat", "1 - 028 - Raziel's Stronghold [Combat].ogg", "1 - 035 - Raziel's Stronghold [Spectral - Combat].ogg"),

src/MicaTintedBackdrop.cs

@@ -25,7 +25,7 @@ protected override void OnTargetDisconnected(ICompositionSupportsSystemBackdrop
             base.OnTargetDisconnected(disconnectedTarget);
 
             _micaController.RemoveSystemBackdropTarget(disconnectedTarget);
-            _micaController?.Dispose();
+            _micaController.Dispose();
         }
 
         public Color TintColor

src/ViewModels/SettingsViewModel.cs

@@ -24,7 +24,7 @@ public LanguageViewModel SelectedLanguage
             }
         }
 
-        public ObservableCollection<LanguageViewModel> AvailableLanguages
+        public static ObservableCollection<LanguageViewModel> AvailableLanguages
         {
             get
             {

src/Views/MainView.xaml.cs

@@ -46,7 +46,7 @@ await DispatcherQueue.EnqueueAsync(async () =>
 
                 await PlaybackManager.EnsureInitializedAsync();
 
-                navigationView.SelectedItem = navigationView.MenuItems.First();
+                navigationView.SelectedItem = navigationView.MenuItems[0];
             }, DispatcherQueuePriority.Low);
         }
 

src/Views/SettingsView.xaml

@@ -54,7 +54,7 @@
                 <ComboBox x:Uid="LanguageComboBox"
                           AutomationProperties.Name="{Binding Header, RelativeSource={RelativeSource Mode=TemplatedParent}}"
                           DisplayMemberPath="DisplayName"
-                          ItemsSource="{x:Bind Data.Settings.AvailableLanguages}"
+                          ItemsSource="{x:Bind v:SettingsViewModel.AvailableLanguages}"
                           Loaded="ComboBox_Loaded"
                           SelectedItem="{x:Bind Data.Settings.SelectedLanguage, Mode=TwoWay}" />